annotate Demo/scripts/primes.py @ 79675:c0a2294de787 2.7

Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents 4ba27d18dd92
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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73758db2f464 /usr/local/bin/python -> /usr/bin/env python
Guido van Rossum <guido@python.org>
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1 #! /usr/bin/env python
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2
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3 # Print prime numbers in a given range
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4
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Georg Brandl <georg@python.org>
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5 def primes(min, max):
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Mark Dickinson <dickinsm@gmail.com>
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6 if max >= 2 >= min:
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Georg Brandl <georg@python.org>
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7 print 2
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8 primes = [2]
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Georg Brandl <georg@python.org>
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9 i = 3
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10 while i <= max:
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Georg Brandl <georg@python.org>
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11 for p in primes:
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Georg Brandl <georg@python.org>
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12 if i % p == 0 or p*p > i:
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Georg Brandl <georg@python.org>
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13 break
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14 if i % p != 0:
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Georg Brandl <georg@python.org>
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15 primes.append(i)
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Georg Brandl <georg@python.org>
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16 if i >= min:
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Georg Brandl <georg@python.org>
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17 print i
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Georg Brandl <georg@python.org>
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18 i += 2
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19
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20 def main():
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Tim Peters <tim.peters@gmail.com>
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21 import sys
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Tim Peters <tim.peters@gmail.com>
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22 min, max = 2, 0x7fffffff
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Tim Peters <tim.peters@gmail.com>
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23 if sys.argv[1:]:
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Georg Brandl <georg@python.org>
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24 min = int(sys.argv[1])
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Tim Peters <tim.peters@gmail.com>
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25 if sys.argv[2:]:
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Georg Brandl <georg@python.org>
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26 max = int(sys.argv[2])
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Tim Peters <tim.peters@gmail.com>
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27 primes(min, max)
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28
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Johannes Gijsbers <jlg@dds.nl>
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29 if __name__ == "__main__":
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30 main()